PHP Technical Lead - B2B SaaS (H/F), Valbonne

Overview

As a Technical Lead Developer at Questel, you will play a crucial role in developing our Markify tool. Markify is a global leader in trademark search and brand protection solutions. Our SaaS platform leverages advanced similarity algorithms to deliver industry-leading accuracy for word and image trademark searches, supporting law firms and enterprises worldwide.Responsibilities

Lead and mentor a team of engineers and algorithm specialists Design and optimize similarity, search and ranking algorithms Perform reverse-engineering and propose architectural improvements Structure the team's work: visibility, traceability, task ownership, and prioritization ensuring scalability and performance of large-scale data systemsInteract closely with Product, Marketing and Data teams in a Scrum environment Drive best practices in code quality, CI/CD and architecture Continuously improve production performance and reliability Contribute to AI/LLM-based evolution (dataset choices, experimentation) Profile / Qualifications

10+ years of experience in software engineering Strong hands-on expertise in PHP and/or Java Proven Technical Leadership experience in Agile/Scrum teams Comfortable digging, debugging, and understanding complex systems Experience with distributed systems and performance optimization Strong analytical mindset and problem-solving skillsFluency in English&French Nice to have

Search technologies (Elasticsearch, Manticore, Solr) Knowledge in image processing, similarity algorithms or AI/ML or prior work with LLMs and training datasets Familiarity with DevOps, monitoring, and observability tools (Grafana, Prometheus) SaaS or Intellectual Property experience What we offer

Full-time permanent contract Empowerment to bring your own ideas and shape our software and processes Thrive in a flat hierarchy that champions courtesy, honesty, and courage Unlock exciting career development paths in a supportive and ambitious company Work with global teams on cutting-edge tech and complex dataDesign impactful IP solutions for thousands of users worldwide Work with a diverse range of prestigious international clients (Fortune 500, CAC 40, etc.) Job location: France, Sophia-Antipolis or Montpellier (hybrid with up to 60% remote work) Driven by values of entrepreneurship, respect, and integrity, Questel is committed to growth and social responsibility. We foster an inclusive, equitable workplace where all feel respected and empowered, regardless of background. Questel is an Equal Opportunity Employer, considering all qualified applicants without discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability, or other protected factors.

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